npm update
npm update

 @types/chai              ^4.1.4  →   ^4.1.7
 @types/mocha             ^5.2.5  →   ^5.2.6
 @types/node            ^10.10.1  →  ^12.0.0
 chai                     ^4.1.2  →   ^4.2.0
 coveralls                ^3.0.2  →   ^3.0.3
 eslint                   ^5.6.0  →  ^5.16.0
 eslint-plugin-import    ^2.14.0  →  ^2.17.2
 eslint-plugin-node       ^7.0.1  →   ^9.0.1
 eslint-plugin-promise    ^4.0.1  →   ^4.1.1
 markdownlint-cli        ^0.13.0  →  ^0.15.0
 mocha                    ^5.2.0  →   ^6.1.4
 nyc                     ^13.0.1  →  ^14.1.0
 ts-node                  ^7.0.1  →   ^8.1.0
 tslint                  ^5.11.0  →  ^5.16.0
 typescript               ^3.0.3  →   ^3.4.5

dex4er/js-file-timestamp-stream,dex4er/js-file-timestamp-stream